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NET ZERO the HOUSE OF TODAY Bluewater Sustainability Initiative Lambton College – Sarnia February 10, 2010 David Lavender B.Arch., OAA, AIA, NCARB, LEED AP Copyright 2010 David Lavender RESERVATIONS THIS PRESENTATION IS ABOUT THE DETACHED SINGLE FAMILY RESIDENCE WHICH HAS SUSTAINABILITY ISSUES OF ITS OWN. USES “STATE OF THE SHELF” COMPONENTS. RECOGNIZES THAT IT ALL DEPENDS…ON THE REAL WORLD… • Topography and weather conditions • Psychological and sociological lifestyles of our time • Market conditions and financial incentives • Diversity of possible design and construction assemblies • …..etc. RESERVATIONS THIS PRESENTATION IS ABOUT THE DETACHED SINGLE FAMILY RESIDENCE WHICH HAS SUSTAINABILITY ISSUES OF ITS OWN. USES “STATE OF THE SHELF” COMPONENTS. RECOGNIZES THAT IT ALL DEPENDS…ON THE REAL WORLD… • Topography and weather conditions • Psychological and sociological lifestyles of our time • Market conditions and financial incentives • Diversity of possible design and construction assemblies • …..etc. There are three kinds of lies: LIES, DAMNED LIES, AND STATISTICS.” -Benjamin Disraeli DEFINABLE GOALS "Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.” – Brundland Commission (1983) …a very high standard. DEFINABLE GOALS "Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.” – Brundland Commission (1983) “A zero energy building (ZEB) or net zero energy building is a general term applied to a building's use with zero net energy consumption and zero carbon emissions annually.” - wikipedia DEFINABLE GOALS "Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.” – Brundland Commission (1983) “A zero energy building (ZEB) or net zero energy building is a general term applied to a building's use with zero net energy consumption and zero carbon emissions annually.” - wikipedia “The main greenhouse gases in the Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone.” - wikipedia THE BROADER GOAL FOR „NET ZERO‟ NET ZERO REDUCT - a structure which follows a “cradle to cradle” life cycle, operates with net zero energy use and without detrimental environmental pollution during its lifespan. THE BROADER GOAL FOR „NET ZERO‟ NET ZERO REDUCT - a structure which follows a “cradle to cradle” life cycle, operates with net zero energy use and without detrimental environmental pollution during its lifespan. CRADLE TO CRADLE- a material or assembly which can be easily returned to earth or recycled into the same material for use at the end of its life-cycle. Organic = biodegradable (carbon based) Inorganic = non-living, not carbon based (i.e. mineral) NATURAL(ly) NET ZERO • all natural • local and low cost materials • easy to construct • zero emissions in material manufacture and transportation • biodegradable or recyclable • fire pit and lamp aside – net zero Vela Luka - Croatia emissions for heat and light NATURAL(ly) NET ZERO • all natural • local and low cost materials • easy to construct • zero emissions in material manufacture and transportation • biodegradable or recyclable • fire pit and lamp aside – net zero Vela Luka - Croatia emissions for heat and light • energy efficient • renewable and biodegradable …in this case even consumable! Igloo - Canada
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